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Plastic
Elastomer Seated Butterfly Valves
Type 57, PD Series/Lug Body
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Chemline
elastomer seated butterfly valves up to 24" have been improved.
The new Type 57 replaces Type 56 up to 14". Type 57 body, disc
and seat have been redesigned to offer better flow characteristics
and lower torques. Stem torques are unaffected by excessive flange
bolt torques. New frp gear operators are available. Valves up to
16" have top flange with standard ISO 5211 mounting platform
and shaft dimensions for easy actuation. A large selection of body,
disc and seat materials permit these valves into a wide range of
on/off and throttling control applications.
Sizes up to 24"
Easy Actuator Mounting
NSF61 Certified
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Elastomer Seated
PVC, PP, PVDF, PDCPD
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| Series
& Sizes: |
Type
57: 1-1/2" to 14"
PD Series: 16" to 24"
Lug
Body: 3" to 12"
Type 57 IS Body: 3" to 8"
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| Body
Type: |
Semi
Lug Wafer*, Lug Body |
| Materials: |
Body: PVC, PP, PVDF or PDCPD;
Disc: PP (Standard), PVC, PVDF; Seat & O-rings:EPDM, FKM
(Viton®)
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Elastomer
Seated Butterfly Valve
Data Page |
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Type
57 Installation and Maintenance Manual |
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Type
56 Installation and Maintenance Manual
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* Full
stainless steel lug bodies are available as an option.
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Type
57 with
HandLever:
1-1/2" to 14"
Type
57 with
Gear Operator:
8" to 14"
PD
Series with
Gear Operator:
16" to 24"

Lug
Body/IS Body:
3" to 12"

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